Updated test with @vue/test-utils

Moved first three tests to use @vue/test-utils since there
have been issues with helpers/vue_mount_component_helper

spec/javascripts/environments/environment_actions_spec.js → spec/frontend/environments/environment_actions_spec.js

-import Vue from 'vue';
-import mountComponent from 'spec/helpers/vue_mount_component_helper';
-import { TEST_HOST } from 'spec/test_constants';
+import { shallowMount } from '@vue/test-utils';
+import { TEST_HOST } from 'helpers/test_constants';
 import eventHub from '~/environments/event_hub';
 import EnvironmentActions from '~/environments/components/environment_actions.vue';
+import Icon from '~/vue_shared/components/icon.vue';
+import { GlLoadingIcon } from '@gitlab/ui';
 
 describe('EnvironmentActions Component', () => {
-  const Component = Vue.extend(EnvironmentActions);
   let vm;
 
+  beforeEach(() => {
+    vm = shallowMount(EnvironmentActions, { propsData: { actions: [] } });
+  });
+
   afterEach(() => {
-    vm.$destroy();
+    vm.destroy();
+  });
+
+  it('should render a dropdown button with 2 icons', () => {
+    expect(vm.find('.dropdown-new').findAll(Icon).length).toBe(2);
+  });
+
+  it('should render a dropdown button with aria-label description', () => {
+    expect(vm.find('.dropdown-new').attributes('aria-label')).toEqual('Deploy to...');
+  });
+
+  describe('is loading', () => {
+    beforeEach(() => {
+      vm.setData({ isLoading: true });
+    });
+
+    it('should render a dropdown button with a loading icon', () => {
+      expect(vm.findAll(GlLoadingIcon).length).toBe(1);
+    });
   });
 
   describe('manual actions', () => {
@@ -30,32 +52,19 @@ describe('EnvironmentActions Component', () => {
     ];
 
     beforeEach(() => {
-      vm = mountComponent(Component, { actions });
-    });
-
-    it('should render a dropdown button with icon and title attribute', () => {
-      expect(vm.$el.querySelector('.fa-caret-down')).toBeDefined();
-      expect(vm.$el.querySelector('.dropdown-new').getAttribute('data-original-title')).toEqual(
-        'Deploy to...',
-      );
-
-      expect(vm.$el.querySelector('.dropdown-new').getAttribute('aria-label')).toEqual(
-        'Deploy to...',
-      );
+      vm.setProps({ actions });
     });
 
     it('should render a dropdown with the provided list of actions', () => {
-      expect(vm.$el.querySelectorAll('.dropdown-menu li').length).toEqual(actions.length);
+      expect(vm.findAll('.dropdown-menu li').length).toEqual(actions.length);
     });
 
     it("should render a disabled action when it's not playable", () => {
-      expect(
-        vm.$el.querySelector('.dropdown-menu li:last-child button').getAttribute('disabled'),
-      ).toEqual('disabled');
+      expect(vm.find('.dropdown-menu li:last-child button').attributes('disabled')).toEqual(
+        'disabled',
+      );
 
-      expect(
-        vm.$el.querySelector('.dropdown-menu li:last-child button').classList.contains('disabled'),
-      ).toEqual(true);
+      expect(vm.find('.dropdown-menu li:last-child button').classes('disabled')).toBe(true);
     });
   });
 
@@ -73,45 +82,43 @@ describe('EnvironmentActions Component', () => {
       scheduledAt: '2018-10-05T08:23:00Z',
     };
     const findDropdownItem = action => {
-      const buttons = vm.$el.querySelectorAll('.dropdown-menu li button');
-      return Array.prototype.find.call(buttons, element =>
-        element.innerText.trim().startsWith(action.name),
-      );
+      const buttons = vm.findAll('.dropdown-menu li button');
+      return buttons.filter(button => button.text().startsWith(action.name)).at(0);
     };
 
     beforeEach(() => {
-      spyOn(Date, 'now').and.callFake(() => new Date('2063-04-04T00:42:00Z').getTime());
-      vm = mountComponent(Component, { actions: [scheduledJobAction, expiredJobAction] });
+      jest.spyOn(Date, 'now').mockImplementation(() => new Date('2063-04-04T00:42:00Z').getTime());
+      vm.setProps({ actions: [scheduledJobAction, expiredJobAction] });
     });
 
     it('emits postAction event after confirming', () => {
-      const emitSpy = jasmine.createSpy('emit');
+      const emitSpy = jest.fn();
       eventHub.$on('postAction', emitSpy);
-      spyOn(window, 'confirm').and.callFake(() => true);
+      jest.spyOn(window, 'confirm').mockImplementation(() => true);
 
-      findDropdownItem(scheduledJobAction).click();
+      findDropdownItem(scheduledJobAction).trigger('click');
 
       expect(window.confirm).toHaveBeenCalled();
       expect(emitSpy).toHaveBeenCalledWith({ endpoint: scheduledJobAction.playPath });
     });
 
     it('does not emit postAction event if confirmation is cancelled', () => {
-      const emitSpy = jasmine.createSpy('emit');
+      const emitSpy = jest.fn();
       eventHub.$on('postAction', emitSpy);
-      spyOn(window, 'confirm').and.callFake(() => false);
+      jest.spyOn(window, 'confirm').mockImplementation(() => false);
 
-      findDropdownItem(scheduledJobAction).click();
+      findDropdownItem(scheduledJobAction).trigger('click');
 
       expect(window.confirm).toHaveBeenCalled();
       expect(emitSpy).not.toHaveBeenCalled();
     });
 
     it('displays the remaining time in the dropdown', () => {
-      expect(findDropdownItem(scheduledJobAction)).toContainText('24:00:00');
+      expect(findDropdownItem(scheduledJobAction).text()).toContain('24:00:00');
     });
 
     it('displays 00:00:00 for expired jobs in the dropdown', () => {
-      expect(findDropdownItem(expiredJobAction)).toContainText('00:00:00');
+      expect(findDropdownItem(expiredJobAction).text()).toContain('00:00:00');
     });
   });
 });